Question: Based on the least-squares regression and residual plot, is a linear model suitable for this data set? A linear model is suitable because the value

Based on the least-squares regression and residual plot, is a linear model suitable for this data set?

A linear model is suitable because the value of r is close to 1.

A linear model is suitable because the residual plot shows a curved pattern.

A linear model is not suitable because the residual plot shows a clear pattern.

A linear model is not suitable because there are more positive residuals than negative residuals.

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